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Difference between Keyword and Identifier

In the world of programming languages, keywords and identifiers are important terminologies. Some programming languages contain keywords and... View Article

Difference Between Hub and Switch

Hub and Switch are the network connecting devices, both help to connect various devices. Hub works at the physical layer and transmits the signal... View Article

Difference Between Encryption and Decryption

Encryption is the process that converts plain text into the coded one that appears to be meaningless, i.e., cipher text. Whereas, decryption is... View Article

What is the capital of Brunei? (A) Dili (B) Hanoi (C) Bandar Seri Begawan (D) Jakarta

Bandar Seri Begawan The capital of the Southeast Asian nation of Brunei is Bandar Seri Begawan. Hence, the correct option is (C)... View Article

Ashtapradhan adorned the court of ___________ (A) Baji Rao (B) Akbar (C) Maharaja Ranjit Singh (D) Shivaji

Shivaji Ashtapradhan adorned the court of Shivaji Hence, the correct option is (D)... View Article

Kerosene floats on water because (A) Kerosene has more density (B) Kerosene has less energy (C) Densities of water and kerosene are equal (D) Water has more density

Water has more density Kerosene is less dense than water. The density of water is 1000 kg/m3 and kerosene is 810 kg/m3. When something is less... View Article

Which of the following is the presiding officer of Rajya Sabha? (A) President (B) Vice President (C) Prime Minister (D) Chief Minister

Vice President The Vice-President of India is the ex-officio Chairman of the Council of States. As the presiding officer of the Rajya Sabha his... View Article

In how many ways can five children stand in a queue?

Number of arrangements of ‘n’ things taken all at a time = P (n, n) So by using the formula, P (n, r) = n!/(n – r)! The total... View Article

Select the opposite of the given word: Scatter (A) Care (B) Suitable (C) Gather (D) Litter

Gather Scatter means 'disperse'. The opposite of disperse is gather which means 'to meet at one point’. Hence, the correct option is (C)... View Article

Polyphosphates are used as water softening agents because they (A) form soluble complexes with anionic species (B) precipitate anionic species (C) form soluble complexes with cationic species (D) precipitate cationic species

form soluble complexes with cationic species Polyphosphates are used as water softening agents because they form soluble complexes with cationic... View Article

A male honeybee has 16 chromosomes whereas its female counterpart has 32 chromosomes. Give one reason.

The male honey bee develops from an unfertilized egg, whereas a female honey bee develops from a fertilized egg. That is why a male honeybee has... View Article

Find the perfect square numbers between (i) 30 and 40 (ii) 50 and 60

1 x 1 = 1 2 x 2 = 4 3 x 3 = 9 4 x 4 = 16 5 x 5 = 25 6 x 6 = 36 7 x 7 = 49 8 x 8 = 64 Hence, 36 is the perfect square number between 30... View Article

What are noble gases why are they also called inert gases?

The noble gases are helium, argon, krypton, xenon, and radon, in order of their mass. They are called noble gases because they are so majestic... View Article

Name six simple machines. Give an example of each machine

The six simple machines and their examples are as follows 1. The lever Examples are a crowbar, claw hammer, a pair of pliers etc 2. The inclined... View Article

Describe the excretory system of human beings

The diagram below represents the different parts of the human excretory system. The human excretory system organs include: A pair of kidneys A... View Article

In an experiment to study the properties of acetic acid, a student takes about 2 mL of acetic acid in a dry test tube. He adds about 2 mL of water to it and shakes the test tube well. He is likely to observe that: (A) the acetic acid dissolves readily in water (B) the solution becomes light orange (C) water floats over the surface of acetic acid (D) acetic acid floats over the surface of water

The acetic acid dissolves readily in water The acetic acid dissolves readily in water to form a clear solution Therefore, the correct option is (A)... View Article

What is the distinction between Trade Association and Chamber of Commerce?

The association of business firms in the same industry is known as trade association while Chamber of Commerce contain business firms operating... View Article

The zeroth law of thermodynamics leads to the concept of (A) internal energy (B) heat content (C) pressure (D) temperature

Temperature When a body ‘A’ is in thermal equilibrium with another body ‘b’, and also separately in thermal equilibrium... View Article

In periodic table, the basic character of oxides (A) Increases from left to right and decrease from top to bottom (B) Decreases from right to left and increases from top to bottom (C) Decreases from left to right and increases from top to bottom (D) Decreases from left to right and increases from bottom to top

Decreases from left to right and increases from top to bottom On moving along a period, the tendency to lose electrons decreases. Hence, the... View Article

Mention the steps involved in DNA fingerprinting

Alec Jeffreys developed this technique in which he used satellite DNAs also called VNTRs (Variable Number of Tandem Repeats) as a probe because... View Article

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